btusb_coredump_qca() uses __hci_cmd_sync() to send a vendor-specific
command to trigger firmware coredump, but the command does not
have any event as its sync response, so it is not suitable to use
__hci_cmd_sync(), fixed by using __hci_cmd_send().
Fixes: 20981ce2d5a5 ("Bluetooth: btusb: Add WCN6855 devcoredump support")
Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
---
V1 -> V2: Correct commit message
drivers/bluetooth/btusb.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index c391e612b83b..9e9b9fc84211 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3485,13 +3485,12 @@ static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb)
static void btusb_coredump_qca(struct hci_dev *hdev)
{
+ int err;
static const u8 param[] = { 0x26 };
- struct sk_buff *skb;
- skb = __hci_cmd_sync(hdev, 0xfc0c, 1, param, HCI_CMD_TIMEOUT);
- if (IS_ERR(skb))
- bt_dev_err(hdev, "%s: triggle crash failed (%ld)", __func__, PTR_ERR(skb));
- kfree_skb(skb);
+ err = __hci_cmd_send(hdev, 0xfc0c, 1, param);
+ if (err < 0)
+ bt_dev_err(hdev, "%s: triggle crash failed (%d)", __func__, err);
}
/*
--
2.7.4
